Wednesday
May 22, 2013

Posts by Jen


Total # Posts: 3154

social studies
Can't unscramble 3 middle eastern names...ihaaBm, Bpsouors, hrpuitReE esavr

chemistry
What is the solubility of AgCrO4 (Ksp= 9.0 x 10^-12) in distilled water?

history
thank you

history
Muslims gained military ideas during the Crusades. How was this a positive effect?

Chemistry
ou are given the following data. S(s) + 3/2 O2(g) → SO3(g) ΔH = -395.2 kJ 2 SO2(g) + O2(g) → 2 SO3(g) ΔH = -198.2 kJ Calculate ΔH for the reaction below. S(s) + O2(g) → SO2(g)

Biochemistry
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.

Biochemistry
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.

finance
Assume investors expect a 2.0 percent real rate of return over the next year. If inflation is expected to be 0.5 percent, what is the expected nominal interest rate for a one-year U.S. Treasury security?

chemistry
Please help me with this dilution. Given a very concentrated tube of virus. Apply serial dilution to make 1:7500 dilution. Dilute virus in PBS

math
What is the height of a cliff if at 10 am the shadow is 2 feet long?

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